Without graphing, tell whether each quantity is changing at a constant amount per unit interval, at a constant percent per unit
interval, or neither. Justify your reasoning.

1. A bank account started with $1000 and earned $10 interest per month
for two years. The bank then paid 2% interest on the account for the
next two years.

2. Jin lu earns a bonus for each sale she makes. She earns $100 for the first sale, $150 for the second one, $200 for the third one and so on.

Answer is in the file below

cutt.ly/nz6VGda

  b.   the average rate of change of f(x) is less than the average rate of change of g(x).

step-by-step explanation:

since the length of the interval is the same in each case, we only need to compare the change in y-value to see which is greater.

so the change in y-value for function f is (6 )) = 9.

the table tells us

so the change in y-value for function g is (31 -1) = 30.

the change in y-value of f(x) on the interval is less than the change in y-value of g(x) on the same interval, so the average rate of change of f(x) is less than the average rate of change of g(x).

the correct answer to your question is a. 4^4

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